>>38231944That's because life expectancy was very low. Wars, disease, famine, etc. would often kill people in their teens or 20's. That's why you had girls getting married at 15 or so and having kids already.
People in the 1800's and prior were lucky to make it out of their teenage years. Hell even in the early 1900's you had World War 1 and 2 killing half the youth of the world.
